Shaft-coupling.



J. P. GOLDEN;

SHAFT COUPLING. APPLIGATION FILED JAN. 29, 1909.

INVENTOR Atlarney Patented Sept. 14, 1909.

@FFIQE.

JOHN PORTER GOLDEN, F COLUMBUS, GEORGIA.

SHAFT-COUPLING.

Specification of Letters Patent.

Patented Sept. 14, 1909.

Application filed January 29, 1909. Serial No. 474,959.

, skilled in the art to which it appertains to make and use the same.

This invention relates to improvements in shaft couplings, the object ofthe invention being to so construct a shaft coupling that it can bereadily applied to shaft sections after the latter have been broughttogether in alinement and which will operate to eifectually unite theshaft sections without the use of keys or any device which enters orpenetrates the shaft.

A further object is to provide connecting means for shaft sections whichshall comprise in a single structure, a compression friction clamp and acone-friction coupling.

With these objects in view the invention consists in certain novelfeatures of construction and combinations of parts as hereinafter setforth and pointed out in the claim.

In the accompanying drawings, Figure 1 is a longitudinal sectional view,partly in elevation and with one member of the clamp ing sleeve or boxremoved, and Fig. 2 is a view partly in transverse section and partly inend elevation.

1, 2, represent alining shaft sections on which a divided clamping boxor sleeve is placed, the latter comprising two members 3, 4, having lugsthrough which bolts 5 are passed. When the two members of the box orsleeve are placed together the bore of the box will be slightly less indiameter than the diameter of the shaft to which the device is to beapplied, so that when the box members are placed upon shaft sections,there will .be a slight clearance between said members which will permitthe latter to be tightly clamped to the shaft sections by the bolts 5.The bolts 5 .and the lugs through which they pass are centrally located,two of them being disposed coincident with the meeting ends of the shaftsections and the others located at respective sides of the juncture ofthe shaft sections.

The divided box or clamping sleeve is made tapering exteriorly at bothends and on these tapering portions, rings 6, 7, having tapering boresare placed. These cone rings comprise web portions 9 and flanges 101l,the flanges 11 of the respective rings cooperating to form a shellwhich incloses most of the intermediate portion of the clamping box andprotects the heads and nuts on the bolts 5. The web portions 9 of thecone rings are made with perforations 12 through which long bolts 8 arepassed. Each of these bolts is threaded at its respective ends for thereception of nuts 13. When the cone rings have been placed upon theconical portions of the clamping box and the bolts 8 passed through therespective cone rings, the tightening of the nuts 13 will draw the conerings toward each other so that their conical bores cooperating with thetapering portion of the box will be tightly clamped to the latter andthe firm connection of the box to the shaft sections will be assured tosuch an extent as to prevent possibility of one shaft section turning ormoving relatively to the other.

With my improvements a double coupling is produced,viz., a compressionclamp and a cone friction coupling combined. It will also be observedthat the lugs and bolt heads and nuts of the box are well protected bythe shell formed by the flanges 11 of the cone rings and that theflanges 10 of the latter protect the nuts 13 on the ends of the bolts 8.

Various slight changes might be made in the details of construction ofmy invention without departing from the spirit thereof or limiting itsscope and hence I do not wish to restrict myself to the precise detailsherein set forth.

Having fully described my invention what I claim as new and desire tosecure by Letters-Patent, is,

In a shaft coupling, the combination of a box or sleeve comprising twomembers having straight edge portions and tapering end portions, twoseries of bolts connecting the In'testimony whereof, I have signed thisintermediate portions of the boX or sleeve specification in the presenceof two subscribl0 members at diametrically opposite sides for ingWitnesses. a a

clamping the same to the shaft sections cone I i a J rings located uponthe tapering end portions 1 JOHN PORTER L Witnesses:

of the box and overhanging the intermediate portions of the latterthrough which the bolts W. B. FoR'rsoN, pass, and bolts connecting'saidcone rings. T. W. OWEN.

